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CWG 8-Digit Digital Tube Display Control Module Red blue

Product code: PEL_0FFBLL4I
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$4.83  $8.85 $11.14 

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CWG 8-Digit Digital Tube Display Control Module Red blue
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CWG 8-Digit Digital Tube Display Control Module Red blue
57%
OFF
CWG 8-Digit Digital Tube Display Control Module Red blue
$4.83  $8.85 
.

MAX7219 is a kind of integrated serial input/output common cathode display drive, it connects the microprocessor with eight digit seven segment digital LED display, also can connect the line graph display or 64 independent leds.

It includes a piece of type B BCD coder, multiplexing scanning circuit, drive period of word, but also a 8 * 8 static RAM is used to store each data.

Only an external registers used to set the period of current of each LED.

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Description:

Product Category: Digital Tube

A convenient four wire serial interface can join all general microprocessor. Each data can be addressed in the update does not need to rewrite all the display. MAX7219 also allows users to each data selection code or code.

The device contains A 150 mu A low-power shutdown mode, analog and digital brightness control, A scan limit register allows the user to display 1-8 bits of data, there is also A let all LED detection mode.

PCB four corners with copper screw fixation, which can effectively prevent short circuit accident happens! 

Four digital tube is 0.36 inch one common cathode digital tube

 

This module is compatible with 5 V / 3.3 V microcontroller (51 / AVR STM32...)

 

Wiring instructions (in order to provide the program, for example, you can pick any IO mouth, modify ports defined in the program) :

 

The VCC - 5 v

 

GND to GND

 

DIN - P00

 

CS - P01

 

The CLK - P02

 

Note:

 

1. The VCC and GND don't pick up the, so as not to burn out the chip

 

2.51 SCM P0 port need to pull resistance, if your microcontroller could not pull resistance, can be cable to other ports

 

Shipping list:

 

1. The MAX7219 digital tube display module 1

 

2. Straight row needles 5 p

 

3. The needle bending row 5 p

 

4. 1 MAX7219 English data sheet

 

5. 1 MAX7219 data manual in Chinese

 

6. 1 the principle diagram of the PDF format

 

7.51 1 single chip driver (a single module display program and cascade module program)

Packing list:

1 * Digital Tube

Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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Date Launched: Apr 29 2020
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